Hinged pin lock



Aug. 21, 3.934. s vPELLE 1,971,049

HINGED PIN LOCK Filed June 22, 1932 3 Sheets-Sheet l 5 TEPHE/V Pa L 5,

INVENTOR fi/g ATTORNEY.

Aug. 21, 1934. s. PELLE 1,971,049 v HINGED PIN LOCK Filed June 22, 1932 Sh.-ets-Sheet 2 SUM/m Piaf,

f INVENTOR,

hi5 ATTORNEY.

Aug. 21, 1934. s. PELLE L7L49 HINGED PIN LOCK Filed June 22, 1952 5 Sheets-Sheet 3 5 Tfflfiew Paw;

lNVENTOR,

fi/f ATTORNEY.

Patented Aug. 21, 1934 UNITED ST TES} HINGED PIN. LOCK" Stephen Pelle, New York, N. Y. i ApplicationJune 2 2.1932, Serial No. 618,612"

4 Claims. (c1. 105%53) This invention relates to locks and is an. improvement on my invention for locks for. which an application for apatent of the United States has been filed, No. 601,433, on March 26, 1932,

5 being based on the samebasic principles but being difierent therefrom in the. construction, combination and operation of the parts- The main object of the present invention is to provide a device of the character mentioned,

- which will be eflicient; inexpensive, which .will

provide a great number of combinations'in the operating elements by easily changeable simple means, which will bev safe inits locking action, and the locking means whereof will be adapted to be permanently disengaged and put into aninoperative position, whenso desired, and returned to locking position by a simple, quick and easy method. Other objects 'of this invention will be' appar-@ ent asthe specification of the same proceeds.

'In the drawings, forming'a part of this specification and accompanying the same:

Fig. 1 is a plan. view, .partly'in section, of a lock embodying my invention.

Fig; 2 is a sectional front. elevati'on'taken on the line 22 of Fig. 1. g Fig. 3 is a fragmentary rear view as seenufrom the direction of thearrow 3 i Fig. 1. 2

Fig. 4 is .a vertical sectional elevation taken on the line l4-of 1 'ig.1".= I Fig; 5 is a plan view of one of the tumblers. of alock embodying my invention. "Fig.".6: is a side elevation 301. the tumbler of Fig.5.; V- I Figs.7 andBaresemi-diagrammatical simplified plan. views-of fother tumblers of my lock. Fig. '9 is a. partly sectional plan .viewof the tumblers-and theircasing' with the rear portion of .the casing removed, showing a return spring forthe tumblers. i

' Fig. 10: is afront elevation on a reduced scale showing the parts of. the lock in the open: or unlocked positionr. v 7

Figs..1 1 to: mare-partial detail views of forms of key 'for mylock, and. corresponding parts of the lock, respectively. v I aReferring-to the drawings: by-charactersof reference thenumeral- 10 indicates an object to which my lock is applied, inthis case a door, and its-frame. Itis not intended to limitthe use of my look to doorsmounted on single hinges, as it may also be applied to doors which are adapted to-swing to eitherside of their supporting frame,

or' toedoubledoors. Asconstructed ,the lock is also efliciently applied to cabinets, closets, boxes,

and may bemodified' to be applied to drawers and other articles. v

- Thelock proper is-housed in a circular casing formed with two circular indentations 16-16, the inner'surfaces'1717 forming a race or support which rotatably holds the tumblers 20, 21, and 22 (-Figs. 3 to 8) later more fully described, in alignment. The inner surfaces 18 of the casing, provide clearance for projections 30 of the tumblers. At theuppermost'portion of the casing 15,, there areprovided three openings 19 beyond which the tumblers pass in a clockwise direction.

The tumblers 20, 21 and 22 are generally similar and are formed with hubs 23, supporting discs 24. Said discs are provided on their circumferences with a plurality of short spokes 25 outwardly offset from the disc proper, and are further stag 'gered so that the spokes-on one side of the disc may be said, to be advanced or staggered with regard to the spokes offsetto the other side of the disc, the simplestmethod to reach this relation being to suitably bend said spokes, as shown.

The spokes 25 carry a circular rim 26 serrated on. both edges as at 27, whereby the serrations of thefrim' cooperate with the spokes 25, offset or stag ered to'support the rim in a great'number of positionsrelative to one position of the hub. Each rim 26 isfurther provided with two short outwardly oilset arms 28-28 at its free 'ends iover which a shall'ow'metal cap 30 may be pressed. The hubs 23 exceed the thickness of the circular rims 26 whereby when the tumblers are in place in the case 15 the innermost and outermost hubs 23 bear respectively against the back and front of-the casing 15 and the hub 23 of the central tumbler. bears against the hubs adjacent to it. (See Fig. 4.)

The hub 23 of the innermost tumbler 20 is providedzwith a tubular extension 31 integral therewith,;while the hubs of the tumblers next adjacent-are provided with similar but wider extensionst32 and 33, whereby the said extensions-tele scope within one another and differ in length by the thickness of any hub so that their ends where they project beyond the door, are equal; The

wardly therefrom to cooperate with similar pins, mounted on a key, later described.

A stop pin 36 mounted on the inner side of the casing 15 engages the cap 30 of the innermost tumbler 20. A spiral spring 3'7, anchored at one end to the casing 15, as at 38, and at its other endto the hub 23, as at'39 maintains the cap 30, of said tumbler, in such engagement.

A pin 40 extending to the front of the disc 24 of the tumbler 20, engages the rearward extension of a pin 41 on the disc 24 of the tumbler 21, the forward extension of said pin similarly engaging another pin 42 extending rearwardly of the disc 24 of the tumbler 22. The above mentioned pins are equally spaced radially, whereby" under the action of the spiral spring 3'7. the three tumblers are brought back to a convenient Zero position, and so remain until the pins31,32 and- 33 of the respective hub extensions are engaged by a key to unlock the door. A bolt 50 of"'rec-' tangular cross-section is slidably mounted in a casing 51. The upper surface of said casing is provided with a slot 52 engaging a pin 53 mounted on the bolt 50 and thereby limiting its reciprocal movement. The door frame proper 10' is provided with a conventional form of lock plate 54 to engage the bolt 50. A compression spring55 loosely held inplace by a stud 56 of the casing 51 exerts its pressure on a downwardly extending projection 5'7 of the bolt-50. Said extension has a vertical slot 58 cooperative with a pin 59extending through it, and carried by a short lever 60 operated from either side of the door by the handles 61-61. A reduced portion 65 of the bolt 50 extends inwardly and carries pi-votally mounted thereon, as at 66, a -series of metal fingers 6'7 one for each tumbler, of rectangular cross section adapted to engage in the locked position with their reduced or steppedends 68, the inner edges of the openings 19 of the casingv 15. I

A leaf spring 69, is mounted on the top of the extension 65 by screws or other convenient means and with its widened end '70 exerts a downward pressure on the fingers 6'7 tending to keepsaid fingers in engagement with the casing 15.

A plate '71, arcuate in form, and approximating in widththat of the casing 15 is slidably mounted to the left of the openings 19 of said casing, and is provided with a lever '71 projecting inwardly of the door, whereby. the plate isfadapted tobe moved in acounter clockwise movement'to unlock the door frornthe inside as will be more-fully described hereinafter. I U i In Figs. 11 and 12, one form of key is illustrated while a modification of this form is shown in Fig. 13.

A series of nesting cups, '75, '76, and '77 having central aligning holes '78 are adjustably fastened to a tubular. shank '79 by anut and bolt, as'at 80. These cups are of lengths differing by the thickness of their bases whereby their outer ends are in the same plane when secured together, and 'are provided with pins '75, '76, '77" which cooperate with the pins 31, 32333 on the tumbler hubs to unlock the door.-

It is obvious that by the construction of the tumblers 20, 21 and 22 previouslydescribed many positions of the caps 30 with respect to the pins 31', 32 33' are readily obtained, and the relative positions thus obtained between the. caps and the pins provide a large number of diiferent combinations. A-similar number of corresponding po sitions are possible with respect to the adjustment of the pins '76, '76 and '77 of the key.

It is also obvious that these manychan'ges .14 where the lengths of the cups 85, 86, and 8'7 vary so'that the ends thereof are staggered. The outer-pup 87- is provided with a shield similar in construction and purpose to that of the key of Fig. 13. The ends of the cups 85, 86, and 8'7 carry 1 pins 85, 86' and 8'7 similar to those previously described,to engage pins 31, 32, 33', which in this case, as shown in Fig. 15, are carried by extensions of the tumbler hubs, said extensions being of .cooperating lengths to match the staggered ends of the key last described. 1 The operation of my novel lock is as follows:

Assuming my look just described to be in the closed position, as best shown in Fig. 2, its operation from the outside is the following: A key as illustrated in Figs. 11;to 13 is insertedin the keyhole and turned in a clockwise direction. The 5 pins '75, '76 and 7'7"of the key will, engage in order the corresponding tumbler hub extension pins 31, 32', 33, whereby the tumblers 20, 21 and 22 will likewise turn. in clockwise direction. As will be understod, the relative. arrangement of said pins and the caps 30 on their tumblers'to said respective tumbler pins is such that continued movement will cause the caps 30 of the tumblers to simultaneously engage the corresponding fingers 6'7 and lift them out of engagement with the rearward edges of theopenings 19 of the casing 15 against the compression of the leaf spring 69,thereby releasing thebolt'50:

The parts now take'the position shown by full lines'in Fig. 10; The bolt 50 is withdrawn by the 1 action of the spring 55 and the fingers 6'7 slide inwardly on'the top edge of the casing15. At the same time, both knobs 61' are turned slightly in a clockwisedirection through theaction of the pin 59 in the slot 58 of the bolt extension 5'7.

1 Upon 'withdraw'alof the key from'the keyhole the tumblers 20, 21, and 22 return to the zero position against the stop -36 through the actionlof the spiralspring 3'7 and the interlocking pins 40, 41 and 42, as shown in Fig. 2,-but-the bolt remains withdrawn'or in open position. The lock may now be closed from either side ofthe door by turning the respective knob 61in a counterclockwise direction, whereby the bolt 50 is moved 'outwardly under the action of thelever 60, pin 59 and slot 58 of the bolt extension 5'7, against the compression of the spring55, until thefingers 6'7 snap downwards into their respectiveopenings'lii in the casing 15 and the stepped ends'68 of the fingerscome to rest on the rearward edges of said 140 openings. I f

To unlock the doorfrom the inside I provide an arcuate' plate '71 slidably mounted "on the casing 15, and provided with an inward extension terminating in a lever '71, accessible from the inside of the door, as shown in'Fig. 3. A movement in the left of said lever and: plate causes the plate '71 to simultaneously disengage the fingers 6'7 from the rearward; edge of the 150 casing 15 whereby the bolt is withdrawn by the action of the spring 55 as previously explained. To maintain the door in unlocked position the lever 71' may be left in the position just described where it will be frictionally held by the fingers 67 and the spring 69.

To lock the door from either side thereof after its permanent unlocked position has been obtained, plate 71 must be returned into its idle right hand position, then knob 61 turned so as to move bolt 50 into locking position whereupon fingers 6'7 snap back into engagement with the edges of openings 19.

To change the combination of the lock, the rims of tumblers 20, 21 and 22 will be released and spoke ends 2525 moved into new positions in relation to the parts of the serrations 27 which they engage.

I want to remark that changes and variations may be resorted to in the constructionparts and arrangement and combination thereof in my device and I want to reserve my right to all such changes which are within the spirit of this specification and the scope of the appended claims.

What I claim as new, is:

1. In a lock having a locking bolt slidable therein and spring means to normally urge said locking bolt into an open position, a circular stationary housing; a plurality of circular tumblers being rotatable in said housing,, said housing also having an opening for every tumbler at a portion in its outer circumferential wall; a radial projection on every tumbler; a hinged finger on said bolt forrevery tumbler bridging said opening and normally engaging a portion of said casing and thereby preventing the opening movement of said bolt; spring means to normally press said fingers into engagement with said casing, said projections being adapted to release a respective finger when passing through said opening underneath said finger.

2. In a look as set forth in claim 1, means on said tumblers whereby the same may be rotated and said projections caused to pass through said openings simultaneously.

3. In a lock as set forth in claim 1, means on said tumblers whereby the same may be rotated and said projections caused to pass through said openings simultaneously; a pin secured to said casing adapted to be engaged by the projection on the lowermost tumbler; spring means to cause said lowermost tumbler to engage said pin, and co-operating pins on said tumblers so that the rotation of any one will carry the adjacent tumbler so that normally all the tumblers will be pressed against said pin on the casing and their projections will not be in circumferentially v registering relation.

4. In a lock having a locking bolt slidable therein and spring means to normally urge said locking bolt into an open position, a circular stationary housing; a plurality of circular tumblers being rotatable in said housing, said housing also having an opening for every tumbler at a portion in its outer circumferential wall; a radial projection on every tumbler; a hinged finger on said bolt for every tumbler bridging said opening and engaging a portion of said casing and thereby preventing the opening of said bolt; spring means to normally press said fingers into engagement with said casing, said projections being adapted to release a respective finger when passing through said opening underneath said finger; an arcuate member slidable on the outside of said circular casing adapted to bridge said openings and raise said fingers out of their locking positions, and means projecting to the outside of the lock to operate said arcuate member.

STEPHEN PELLE. 

